Question
If 30% of the girls who attended seminar on topic B are
married, then find the number of girls who are unmarried from the same seminar topic. Study the following information carefully and answer the given questions: In a college there are 500 students who have attended seminars on four different topics viz. A, B, C and D. Forty percent of the students attended seminar on topic B. Twenty percent of the students attended seminar on topic C. The ratio of the number of boys to number of girls attended seminar on topic B is 3:2. Number of students attended seminar on topic D is 150. Number of boys attended seminar on topic A is 100 less than number of boys attended seminar on topic B. The ratio of the number of girls to number of boys attended seminar on topic C is 3:1. 90 girls attended seminar on topic D.Solution
Total number of students attended seminar on topic B = (40/100) × 500 = 200 Total number of students attended seminar on topic C = (20/100) × 500 = 100 Number of boys attended seminar on topic B = (3/5) × 200 = 120 Number of girls attended seminar on topic B = (2/5) × 200 = 80 Number of boys attended seminar on topic A = 120 - 100 = 20 Number of boys attended seminar on topic C = (1/4) × 100 = 25 Number of girls attended seminar on topic C = (3/4) × 100 = 75 Number of boys attended seminar on topic D = 150 - 90 = 60 Total number of students attended seminar on topic A = 500 – (200 + 100 + 150) = 50 Number of girls attended seminar on topic A = 50 - 20 = 30 Number of unmarried girls who attended seminar on topic B = (70/100) × 80 = 56
The general superintendence, direction and management of the affairs and business of the Exim Bank shall vest in the_____________________ which may exer...
Who amongst the following is responsible for the appointment and removal of members of the Union Public Service Commission (UPSC)?
Which one of the following is not a salient feature of the Constitution of India?
Which of the following does not require opinion of experts?
Sedition is an offence if anyone expresses disaffection towards the Government established by law in India by way of-
The Supreme Court had struck down s.66A of the Information Technology Act, 2000 in 2015 in the case of?
Children born to annulled voidable marriages or void marriages under section 11 and 12 of Hindu Marriage Act are :
Under Section 125 of CrPC who cannot be ordered to provide maintenance
What is the effect of Compounding of offence under Section 320 CrPC?
All contracts are agreements but all agreements are not contract. In the context of the given statement what is important for an agreement to be a contr...
Relevant for Exams:
